diff -r ac62e33a99b0 -r e2497b11a021 bin/runopt.sh
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bin/runopt.sh	Wed Aug 20 10:26:01 2014 +0200
@@ -0,0 +1,107 @@
+#!/bin/sh
+#
+# Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+# 
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.
+# 
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+# 
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+# 
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+###########################################################################################
+# This is a helper script to evaluate nashorn with optimistic types
+# it produces a flight recording for every run, and uses the best 
+# known flags for performance for the current configration
+###########################################################################################
+
+# Flags to instrument lambdaform computation, caching, interpretation and compilation
+# Default compile threshold for lambdaforms is 30
+#FLAGS="-Djava.lang.invoke.MethodHandle.COMPILE_THRESHOLD=3 -Djava.lang.invoke.MethodHandle.DUMP_CLASS_FILES=true -Djava.lang.invoke.MethodHandle.TRACE_METHOD_LINKAGE=true -Djava.lang.invoke.MethodHandle.TRACE_INTERPRETER=true"
+
+
+# Flags to run trusted tests from the Nashorn test suite
+#FLAGS="-Djava.security.manager -Djava.security.policy=../build/nashorn.policy -Dnashorn.debug"
+
+
+# Unique timestamped file name for JFR recordings. For JFR, we also have to
+# crank up the stack cutoff depth to 1024, because of ridiculously long lambda form
+# stack traces.
+#
+# It is also recommended that you go into $JAVA_HOME/jre/lib/jfr/default.jfc and
+# set the "method-sampling-interval" Normal and Maximum sample time as low as you
+# can go (10 ms on most platforms). The default is normally higher. The increased
+# sampling overhead is usually negligible for Nashorn runs, but the data is better
+
+JFR_FILENAME="./nashorn_$(date|sed "s/ /_/g"|sed "s/:/_/g").jfr"
+
+
+# Directory where to look for nashorn.jar in a dist folder. The default is "..", assuming
+# that we run the script from the make dir
+DIR=..
+NASHORN_JAR=$DIR/dist/nashorn.jar
+
+
+# The built Nashorn jar is placed first in the bootclasspath to override the JDK
+# nashorn.jar in $JAVA_HOME/jre/lib/ext. Thus, we also need -esa, as assertions in
+# nashorn count as system assertions in this configuration
+
+$JAVA_HOME/bin/java \
+$FLAGS \
+-ea \
+-esa \
+-Xbootclasspath/p:$NASHORN_JAR \
+-Xms2G -Xmx2G \
+-cp $CLASSPATH:../build/test/classes/ \
+jdk.nashorn.tools.Shell ${@}
+
+# Below are flags that may come in handy, but aren't used for default runs
+
+
+# Type profiling default level is 111, 222 adds some compile time, but produces better code.
+# -XX:TypeProfileLevel=222 \
+
+
+# Testing out new code optimizations using the generic hotspot "new code" parameter
+#-XX:+UnlockDiagnosticVMOptions \
+#-XX:+UseNewCode \
+
+
+# Type specialization and math intrinsic replacement should be enabled by default in 8u20 and nine,
+# keeping this flag around for experimental reasons. Replace + with - to switch it off
+#-XX:+UseTypeSpeculation \
+
+
+# Same with math intrinsics. They should be enabled by default in 8u20 and 9
+#-XX:+UseMathExactIntrinsics \
+
+
+# Add -Dnashorn.time to time the compilation phases.
+#-Dnashorn.time \
+
+
+# Add ShowHiddenFrames to get lambda form internals on the stack traces
+#-XX:+ShowHiddenFrames \
+
+
+# Add print optoassembly to get an asm dump. This requires 1) a debug build, not product,
+# That tired compilation is switched off, for C2 only output and that the number of
+# compiler threads is set to 1 for determinsm.
+#-XX:+PrintOptoAssembly -XX:-TieredCompilation -XX:CICompilerCount=1 \
+
+# Tier compile threasholds. Default value is 10. (1-100 is useful for experiments)
+# -XX:IncreaseFirstTierCompileThresholdAt=XX
+